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5 Aql

Observable Double Star Excellent (64/100)

Sep: 12.5", Companion: mag 7.0

HIP 92117; 5 Aql DoubleStar Aql Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 5.90
Spectral Type A2Vm
Star Color White (B-V 0.13)
Distance 362.4 ly

Position & Identifiers

RA 18h 46m 28.5s
Dec -00° 57' 42.0"
Constellation Aql
HR 7059
HIP 92117
Flamsteed 5 Aql
Double Cat 11667

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 12.5″
Companion Mag 7.0
Position Angle 121°
Star Colors A: White B: Yellow-white
Discoverer STF2379

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 121° A (5.9) B (7.0)

Sep: 12.5″ · PA: 121° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Notes

AB binary, B, Am, F3Vm, or Am(A5/F1/F2), RV +9.2k/s, vsini =<25k/s. C, 11.3v optical.
ADS 11667A, spectrum binary, RV var.? Unresolved by speckle interferometry on 1976.30; companion with sep. 0.13" seen | on 1980.48 (McAlister and Hartkopf).
Sirius group; UMa stream.
Also classified Am(A1/A7V/A7).

Survey Image

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